| Citation | Watrous, J.E. and Q.D. Wheeler, 1981. The out-group comparison method of character analysis. Syst. Zool. 30:1-11. |
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 58900 |
| Language | English |
| Usage | |
| Remarks | |
| Find this reference in | Google Scholar | Scirus | Species used from this reference |